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您好:
请问用的是TI的板子还是自己的板子?是TI startware里的uart_edma例程?这个例程只传输20个字符。
通常来说,同样的条件下,EDMA是通过硬件搬移的,要比CPU搬移快。请参考下面的帖子。
https://e2e.ti.com/support/processors-group/processors/f/processors-forum/384458/c6748-uart-driver-using-edma-for-higher-performance
您好,这边改动为用while循环 宏定义设置成1,进行循环的时候,一次发送一个字节可以连续发送,不过现在想实现任意字符的收发需要怎么修改,望能提供大概的修改思路。